com.google.appengine.api.datastore

## Class TransactionHelper

- java.lang.Object
- - com.google.appengine.api.datastore.TransactionHelper

-     public final class TransactionHelper
      extends java.lang.Object

  `TransactionHelper` enables the task queue API to serialize a datastore transaction without knowing the details of how it is implemented.

- - ### Method Summary

    All Methods Static Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `static void` | `setTransaction(Transaction txn, TaskQueueAddRequest request)` Sets either the transaction or datastore_transaction field in a TaskQueueAddRequest depending on what kind of transaction is provided.

    - ### Methods inherited from class java.lang.Object

      `equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Method Detail

    - #### setTransaction

          public static void setTransaction(Transaction txn,
                                            TaskQueueAddRequest request)

      Sets either the transaction or datastore_transaction field in a TaskQueueAddRequest depending on what kind of transaction is provided.